CVE-2025-3908

6.2 MEDIUM 0.2% exploit odds Fix listed Other Network gear

What it is

The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the ownership and permissions of that destination directory.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. High risk of data exposure.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2025-05-19 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 09:20 UTC Last updatedMost recent change to the record

Details

Published: 2025-05-19 15:15 UTC
Last modified: 2026-06-17 09:20 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-59
Record status: Analyzed

Affected

Openvpn openvpn3linux ≤ 24

Attack profile CVSS 3.1 · 6.2

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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Fix and advisories

https://community.openvpn.net/Security%20Announcements/CVE-2025-3908

References

NVD record · CVE.org record